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14 Jul 2017, 09:27
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
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58% (01:35) correct
42%
(02:07)
wrong
based on 12
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\((x - y)^2\) < (x - y) ?
(1) (x - y) < 0
(2) (x + y) < 0
(1) (x - y) < 0
(2) (x + y) < 0
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Luckisnoexcuse
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14 Jul 2017, 09:40
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(x-y)^2 < (x-y)
We can see that this can only happen when (x-y) lies between 0 and 1 hence we have to prove that
0<(x-y)<1
(1) says (x-y) is negative ...sufficient to solve the answer
(2) (x+y) is negative ...not sufficient
Hence A
Sent from my iPhone using GMAT Club Forum
We can see that this can only happen when (x-y) lies between 0 and 1 hence we have to prove that
0<(x-y)<1
(1) says (x-y) is negative ...sufficient to solve the answer
(2) (x+y) is negative ...not sufficient
Hence A
Sent from my iPhone using GMAT Club Forum
14 Jul 2017, 13:00
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papagorgio
\((x - y)^2\) < (x - y) ?
(1) (x - y) < 0
(2) (x + y) < 0
papagorgio , you've posted two DS questions in the PS forum...This one, and Nicky's test scores. (1) (x - y) < 0
(2) (x + y) < 0
